TRS-80 - Computer Definition

A series of Personal Computers sold by Tandy Radio Shack
decades ago. The “80” referred to the Zilog Z-80 processor in the machines.
Many in the Computer Underground (CU)
joke about these computers as being TRaSh-80s.

(Tandy RadioShack-80) An early line of personal computers from Tandy Corporation (later renamed RadioShack). In 1977, the TRS-80, along with the Apple II and Commodore PET, ushered in the personal computer revolution. The operating system for the TRS-80 was TRS-DOS, sometimes affectionately called "Trash-DOS." See RadioShack and personal computer. See also TSR.

The TRS-80

This ad suggested every home should have a TRS-80. At an initial price of USD $599, it was relatively affordable, and it contributed to the explosion of personal computers in the 1980s. (Image courtesy of RadioShack Corporation.)